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Author Topic: Audi rs4 b5 egt sensor upgrade from rs6  (Read 32165 times)
phila_dot
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« Reply #15 on: September 27, 2012, 06:39:15 AM »

Can anyone confirm this works and is plug and play (with minor sw changes named above)?

Can anyone confirm part numbers?

I found the following:
Bank one : 077 919 529E
Bank two : 077 919 529D
Both        : 077 998 124

These are not cheap sensors, so I doubt I will be able to make this happen anytime soon.

I was thinking about replacing tabgm_w with actual EGT for BTS.
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Rick
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« Reply #16 on: September 28, 2012, 06:29:51 AM »

Yes it works, and yes they are muchos expensive.

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phila_dot
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« Reply #17 on: September 28, 2012, 07:25:09 AM »

I jinxed myself, bank 1 EGT gave up on me yesterday.

Maybe I will make this happen sooner than I intended.

Can anyone confirm those part numbers?
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RS4boost
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« Reply #18 on: October 01, 2012, 08:50:01 AM »

Can anyone confirm part numbers?

I found the following:
Bank one : 077 919 529E
Bank two : 077 919 529D
Both        : 077 998 124


Part numbers are right  Wink
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SRT
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« Reply #19 on: November 08, 2012, 08:04:00 AM »

I installed the EGTS yesterday and found out you also have to change TATSMN and TATSMX otherwise you get DTC P1454 and P1458.
Works fine now.
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masterj
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« Reply #20 on: December 05, 2012, 03:41:49 AM »

Great thread! What about actually using EGT when originally there was none? Is it possible to connect it to 4B0906018DC ME7.5 ecu? What maps besides ATR function maps should I copy from RS6 file?

I would like to disable ATM and use ATR instead
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phila_dot
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« Reply #21 on: December 05, 2012, 06:48:06 AM »

If the code is present in the binary and just disabled then yes, but that seems doubtful.

Convert to a differeny binary, seems like there's a million ME7.5 1.8t files.

I don't know about completely replacing ATM with ATR, but replacing individual variables is reasonable. I plan to use actual EGT for BTS for example.
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prj
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« Reply #22 on: December 05, 2012, 06:51:05 AM »

I plan to use actual EGT for BTS for example.

This is not how it is done from factory.
Have you looked at RS6 code?
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phila_dot
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« Reply #23 on: December 05, 2012, 06:54:07 AM »

This is not how it is done from factory.
Have you looked at RS6 code?

I have not. I'm not too concerned with how it was done on the RS6 though.

Do you see a drawback?

Do the RS6 incorporate something better?
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prj
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« Reply #24 on: December 05, 2012, 09:43:42 AM »

I have not. I'm not too concerned with how it was done on the RS6 though.

Do you see a drawback?

Do the RS6 incorporate something better?

RS6 has a 3D target EGT map for each bank and BTS is not used.
The idea of BTS is to pre-enrich before ATR kicks in on cars that have EGT's fitted.
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phila_dot
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« Reply #25 on: December 05, 2012, 10:25:22 AM »

RS6 has a 3D target EGT map for each bank and BTS is not used.
The idea of BTS is to pre-enrich before ATR kicks in on cars that have EGT's fitted.

I understand BTS. Why not use actual EGT to enable BTS vice modeled?

ATR will still be there for intervention at critical temps, but enable BTS when tats_w exceeds TABGBTS vice tabgm_w.
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julex
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« Reply #26 on: July 01, 2014, 12:42:28 PM »

I confirmed with Sid who makes PCB boards for RS4/S4 EGTs that he can supply RS6 PCBs and, what is very interesting, that probe is exactly the same between S4 and Rs6 and the only difference is in conversion algorithm coded into chips at time of production. So it boils down to everything being identical but the conversion of Voltage to PWM signal values and naturally part# / different cases for bank1/bank2 EGT modules.
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nyet
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« Reply #27 on: July 01, 2014, 12:47:37 PM »

that probe is exactly the same between S4 and Rs6 and the only difference is in conversion algorithm coded into chips at time of production.

FWIW i can confirm this. I got the same information from somebody I trust. The only diff is the PWM encoding.
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jibberjive
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« Reply #28 on: July 05, 2014, 02:51:59 AM »

I confirmed with Sid who makes PCB boards for RS4/S4 EGTs that he can supply RS6 PCBs and, what is very interesting, that probe is exactly the same between S4 and Rs6 and the only difference is in conversion algorithm coded into chips at time of production. So it boils down to everything being identical but the conversion of Voltage to PWM signal values and naturally part# / different cases for bank1/bank2 EGT modules.
Excellent, I have been meaning to inquire with him about this.  Is he going to start offering the PCB's?  ETA?
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phila_dot
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« Reply #29 on: July 05, 2014, 05:47:00 AM »

I asked him previously, but I think my question got lost in translation.

I'm in for a pair.

Group buy?
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